import { login, logout } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    card:'',
    admin:'',
    book:'',
    record:'',
    student:'',
    tclass:'',
    teacher:'',
    news:'',
    course:'',
    gcourse:'',
    stuSname:'',
    author:'',
    user:{},
    dept:{},
    emp:{},
    context:{}
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  setUser(state,user){
    state.user=user;
  },
  setCard(state,card){
    state.card=card;
  },
  setAdmin(state,admin){
    state.admin=admin;
  },
  setBook(state,book){
    state.book=book;
  },
  setRecord(state,record){
    state.record=record;
  },
  setStudent(state,student) {
    state.student = student;
  },
  setDept(state,dept){
    state.dept=dept;
  },
  setTclass(state,tclass){
    state.tclass=tclass;
  },
  setTeacher(state,teacher){
    state.teacher=teacher;
  },
  setCourse(state,course){
    state.course=course;
  },
  setGCourse(state,gcourse){
    state.gcourse=gcourse;
  },
  setNews(state,news){
    state.news=news;
  },
  setStuSname(state,stuSname){
    state.stuSname=stuSname;
  },
  setAuthor(state,author) {
    state.author = author;
  },
  setEmp(state,emp){
    state.emp=emp;
  },
  setContext(state,context){
    state.context=context;
  }
}

const actions = {//执行耗时的操作
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      //封装的函数 实现的登录接口的请求
      login({ username: username.trim(), password: password }).then(response => {
        const { data } = response
        commit('SET_TOKEN', data)
        setToken(data)
        commit('SET_NAME', username)
        commit('SET_AVATAR', 'https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const { name, avatar } = data

        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

